App\Http\Controllers\UserController::index PHP Method

    public function index()
    {
        return Redirect::to('settings/' . ACCOUNT_USER_MANAGEMENT);
    }

 public function testIndexReturnsViewInstance()
 {
     $currentUser = Factory::create('App\\User');
     Auth::login($currentUser);
     $userController = new UserController($currentUser);
     $userRepository = new EloquentUserRepository();
     $request = new Request(['firstname' => '']);
     $response = $userController->index($request, $userRepository);
     $this->assertInstanceOf('Illuminate\\View\\View', $response);
 }